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Lettuce micro-powder preparation technology

A preparation process and a technology for lettuce, applied in the field of food processing, can solve the problems of rot, difficult to store vegetables, and decreased freshness, and achieve the effects of high yield, low cost and easy preservation.

Inactive Publication Date: 2015-08-19
王永帮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The water content of lettuce is very high, reaching more than 95%. It is a kind of vegetable that is difficult to store. It will wither due to dehydration in a day, and it has strong regional characteristics. It is prone to rot and freshness during processing and transportation. The problem

Method used

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Embodiment 1

[0017] A preparation process of lettuce micropowder, comprising the following steps,

[0018] 1) Use fresh lettuce as raw material, remove impurities and clean it, put it in a fresh-keeping store at 3-5°C to drain the surface moisture, and set aside;

[0019] 2) Put the lettuce into the tumbling machine for tumbling treatment. When tumbling, vacuumize once every 5-8 minutes. After each vacuuming, tumbling for 5-10 minutes, and then evacuate, and cycle 2-4 times like this , so that the lettuce can achieve the effect of breathing massage in the process of rolling and kneading, and improve the activity of internal substances;

[0020] 3) Squeeze the lettuce after rolling and kneading, collect the lettuce juice, squeeze the juice in a vacuum environment, and control the temperature at 5-10°C;

[0021] 4) Inject lettuce juice and water into the stainless steel heating tank in a ratio of 100:10 by weight to dilute the lettuce juice, and then seal the stainless steel heating tank; ...

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Abstract

A lettuce micro-powder preparation technology comprises the following steps: 1) using fresh lettuce as a raw material, removing impurities, cleaning, sending cleaned fresh lettuce into a fresh-keeping storehouse of 3-5 DEG C and draining off surface moisture; 2) carrying out tumbling treatment by sending the lettuce into a tumbling machine while vacuumizing every 5-8 minutes and tumbling for 5-10 min after each time of vacuumizing, vacuumizing, and cycling the process for 2-4 times; 3) juicing the tumbled lettuce and collecting the lettuce juice; 4) injecting the lettuce juice and water according to the weight ratio of 100:10 into a stainless steel heating pot, diluting the lettuce juice, and sealing the stainless steel heating pot; 5) heating the raw material through the stainless steel heating pot and stirring until the temperature reaches 25-35 DEG C, injecting brown sugar water, continuously carrying out heat-preservation stirring for 60-65 min; and 6) carrying out drying process on the heated liquid substance by a spray drying mode so as to obtain a solid substance, and ball-milling the above solid substance through a ball mil to 400 meshes so as to prepare the lettuce micro-powder.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a preparation process of lettuce micropowder. Background technique [0002] Lettuce is a common name for leaf lettuce, which belongs to the genus Lactuca in the Asteraceae family. It is an annual or biennial herb crop, and it is also a popular vegetable in Europe and the United States, and is deeply loved by people. Lettuce is native to the Mediterranean coast of Europe and gradually introduced to my country. It is cultivated more in the southeast coast, especially in the suburbs of big cities and in Guangdong and Guangxi. In recent years, the cultivation area has expanded rapidly, and lettuce has gradually entered the table of ordinary people. [0003] Lettuce contains protein, sugar, a lot of cellulose, vitamin B, vitamin B2, vitamin C, and also a lot of minerals such as calcium, phosphorus, and iron. It can help digestion, relieve constipation, clear blood and diure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/212A23L1/223A23L19/00A23L27/14
Inventor 王永帮
Owner 王永帮
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